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asio: Make redirect_handler and status_handler part of public API

This commit is contained in:
Tatsuhiro Tsujikawa 2015-03-05 23:32:21 +09:00
parent c64bb62ffe
commit 8baec366f0
5 changed files with 119 additions and 45 deletions
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1
src/Makefile.am
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@ -187,6 +187,7 @@ libnghttp2_asio_la_SOURCES = \
asio_server_response_impl.cc asio_server_response_impl.h \
asio_server_stream.cc asio_server_stream.h \
asio_server_serve_mux.cc asio_server_serve_mux.h \
asio_server_request_handler.cc asio_server_request_handler.h \
asio_client_session.cc \
asio_client_session_impl.cc asio_client_session_impl.h \
asio_client_session_tcp_impl.cc asio_client_session_tcp_impl.h \

77
src/asio_server_request_handler.cc Normal file
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@ -0,0 +1,77 @@
/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2015 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "asio_server_request_handler.h"
#include "util.h"
#include "http2.h"
namespace nghttp2 {
namespace asio_http2 {
namespace server {
namespace {
std::string create_html(int status_code) {
std::string res;
res.reserve(512);
auto status = ::nghttp2::http2::get_status_string(status_code);
res += "<!DOCTYPE html><html lang=en><title>";
res += status;
res += "</title><body><h1>";
res += status;
res += "</h1></body></html>";
return res;
}
} // namespace
request_cb redirect_handler(int status_code, std::string uri) {
return [status_code, uri](const request &req, const response &res) {
header_map h;
h.emplace("location", header_value{std::move(uri)});
std::string html;
if (req.method() == "GET") {
html = create_html(status_code);
}
h.emplace("content-length", header_value{util::utos(html.size())});
res.write_head(status_code, std::move(h));
res.end(std::move(html));
};
}
request_cb status_handler(int status_code) {
return [status_code](const request &req, const response &res) {
auto html = create_html(status_code);
header_map h;
h.emplace("content-length", header_value{util::utos(html.size())});
h.emplace("content-type", header_value{"text/html; charset=utf-8"});
res.write_head(status_code, std::move(h));
res.end(std::move(html));
};
}
} // namespace server
} // namespace asio_http2
} // namespace nghttp2

32
src/asio_server_request_handler.h Normal file
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@ -0,0 +1,32 @@
/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2015 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef ASIO_SERVER_REQUEST_HANDLER_H
#define ASIO_SERVER_REQUEST_HANDLER_H
#include "nghttp2_config.h"
#include <nghttp2/asio_http2_server.h>
#endif // ASIO_SERVER_REQUEST_HANDLER_H

46
src/asio_server_serve_mux.cc
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@ -25,6 +25,7 @@
#include "asio_server_serve_mux.h"
#include "asio_server_request_impl.h"
#include "asio_server_request_handler.h"
#include "util.h"
#include "http2.h"
@ -34,51 +35,6 @@ namespace asio_http2 {
namespace server {
namespace {
std::string create_html(int status_code) {
std::string res;
res.reserve(512);
auto status = ::nghttp2::http2::get_status_string(status_code);
res += "<!DOCTYPE html><html lang=en><title>";
res += status;
res += "</title><body><h1>";
res += status;
res += "</h1></body></html>";
return res;
}
} // namespace
namespace {
request_cb redirect_handler(int status_code, std::string uri) {
return [status_code, uri](const request &req, const response &res) {
header_map h;
h.emplace("location", header_value{std::move(uri)});
std::string html;
if (req.method() == "GET") {
html = create_html(status_code);
}
h.emplace("content-length", header_value{util::utos(html.size())});
res.write_head(status_code, std::move(h));
res.end(std::move(html));
};
}
} // namespace
namespace {
request_cb status_handler(int status_code) {
return [status_code](const request &req, const response &res) {
auto html = create_html(status_code);
header_map h;
h.emplace("content-length", header_value{util::utos(html.size())});
h.emplace("content-type", header_value{"text/html; charset=utf-8"});
res.write_head(status_code, std::move(h));
res.end(std::move(html));
};
}
} // namespace
bool serve_mux::handle(std::string pattern, request_cb cb) {
if (pattern.empty() || !cb) {
return false;

8
src/includes/nghttp2/asio_http2_server.h
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@ -146,6 +146,14 @@ private:
std::unique_ptr<http2_impl> impl_;
};
// Returns request handler to do redirect to |uri| using
// |status_code|. The |uri| appears in "location" header field as is.
request_cb redirect_handler(int status_code, std::string uri);
// Returns request handler to reply with given |status_code| and HTML
// including message about status code.
request_cb status_handler(int status_code);
} // namespace server
} // namespace asio_http2